Medicaid isn’t a single program. It’s a collection of coverage types that vary by who you are, where you live, and what you need. At the federal level, certain groups must be covered in every state, but states also have wide latitude to add optional coverage groups and services. Understanding which type applies to you is the first step to figuring out whether you qualify and what benefits you’d receive.
Medicaid for Children and Families
Children are the most broadly covered group under Medicaid. Federal law requires every state to cover children in families with household income up to 133% of the federal poverty level, and most states set their thresholds even higher. Children on Medicaid receive a comprehensive benefit package called Early and Periodic Screening, Diagnostic, and Treatment services, which covers well-child visits, immunizations, dental care, vision exams, hearing tests, and any treatment needed to correct problems found during screenings. This package is more generous than what most adults on Medicaid receive.
Parents and caretaker relatives of dependent children also qualify for Medicaid, though income limits for this group are typically lower than for the children themselves. Pregnant women are covered in every state, with eligibility often extending to higher income levels than other adult groups. Medicaid for pregnant women covers prenatal visits, labor and delivery, postpartum care, and services like tobacco cessation counseling.
Medicaid Expansion for Adults
Before the Affordable Care Act, most states did not cover low-income adults who weren’t pregnant, disabled, or raising children. The ACA changed that by giving states the option to extend Medicaid to all adults aged 18 to 64 with household income up to 138% of the federal poverty level, regardless of family status or health condition. The income threshold is technically 133%, but a built-in 5% income disregard effectively raises it to 138%.
The Supreme Court ruled that this expansion is voluntary, so not every state participates. In states that have expanded, eligibility is straightforward: if your income falls below the threshold, you qualify. There’s no asset test and no requirement that you have a disability or dependents. In states that haven’t expanded, adults without children or a qualifying disability often fall into a “coverage gap” where they earn too much for traditional Medicaid but too little for marketplace subsidies.
Medicaid for Seniors and People With Disabilities
Older adults and people with disabilities enter Medicaid through different pathways than working-age adults and children. The most common route is through Supplemental Security Income (SSI). People who receive SSI cash payments, which go to individuals 65 and older, children, and adults under 65 with disabilities who have income below 75% of the federal poverty level and very limited assets ($2,000 for an individual, $3,000 for a married couple), automatically qualify for Medicaid in most states.
States can also extend coverage to people whose income is slightly above the SSI limit but still below the poverty level. This creates a broader safety net for people with serious health conditions or age-related needs who don’t quite meet SSI’s strict financial criteria. Unlike the expansion group, these pathways typically involve asset tests, meaning your savings, property, and other resources are counted alongside your income.
Dual Eligibility: Medicaid Plus Medicare
About 12 million Americans are “dual eligibles,” meaning they qualify for both Medicare and Medicaid simultaneously. These are primarily low-income seniors and people with disabilities. Dual eligibility comes in two forms.
Full-benefit dual eligibles receive the complete range of Medicaid services on top of their Medicare coverage. Medicaid fills in the gaps that Medicare leaves, most notably long-term care, dental, vision, and hearing services. These individuals qualify through the same pathways as other Medicaid enrollees: SSI, poverty-level income, or medically needy status.
Partial-benefit dual eligibles don’t get full Medicaid but receive help paying their Medicare costs through Medicare Savings Programs. Medicaid covers their Medicare premiums and, in some cases, copays and deductibles. About 2.7 million people fall into this category. If you’re on Medicare and struggling to afford your out-of-pocket costs, these programs exist specifically for that situation.
The Medically Needy Pathway
Some people have income too high for standard Medicaid but face medical expenses so large that their remaining income is effectively poverty-level. The medically needy option, offered by 32 states and the District of Columbia, addresses this. It lets people “spend down” to eligibility by subtracting their medical bills from their income. Once your income minus your medical expenses falls below your state’s medically needy threshold, you qualify for coverage.
This pathway is particularly important for people with chronic conditions, those needing nursing home care, or anyone facing a catastrophic medical event. It functions as a financial safety valve, preventing people from being locked out of coverage solely because their income is slightly above the standard cutoff while their medical costs are enormous.
Home and Community-Based Waivers
One of Medicaid’s largest roles is paying for long-term care, and home and community-based services (HCBS) waivers let people receive that care at home instead of in a nursing facility. States design these waiver programs to serve specific populations: the elderly, people with intellectual disabilities, technology-dependent children, people with behavioral health conditions, or those with specific diagnoses like HIV/AIDS.
Services under HCBS waivers go well beyond traditional medical care. They can include personal care attendants, adult day programs, home modifications, respite care for family caregivers, and help with daily tasks like cooking and cleaning. To qualify, you generally need to meet the level of care required for a nursing home or other institutional setting, meaning your health needs must be significant enough that you’d otherwise require facility-based care.
States have flexibility in how they run these programs. They can limit waivers to certain parts of the state where providers are available, cap enrollment, and set their own income rules. Some states use spousal impoverishment protections, which prevent a married person from having to drain all household assets before their spouse can qualify for waiver services. Because these waivers are capped, many states maintain waiting lists that can stretch months or even years.
Disease-Specific Coverage
Medicaid includes specialized programs for specific health conditions. The most prominent is the Breast and Cervical Cancer Treatment Program, which covers women under 65 who have been screened through the CDC’s national screening program and found to need cancer treatment. This program has no income or resource test. If you were screened through the program, need treatment (including for precancerous conditions), and don’t have other insurance that would cover the treatment, you qualify.
Medication-assisted treatment for opioid use disorder is another specialized category. Federal law now requires all state Medicaid programs to cover these services, reflecting the scale of the opioid crisis. This includes medications that reduce cravings and withdrawal symptoms, along with counseling and behavioral therapy.
What Every State Must Cover vs. What’s Optional
Regardless of which type of Medicaid you qualify for, the benefits you receive depend heavily on your state. Federal law requires every state Medicaid program to cover a core set of services: inpatient and outpatient hospital care, physician visits, lab work and X-rays, nursing facility care, home health services, family planning, and transportation to medical appointments. Nurse midwife services and pediatric nurse practitioner services are also mandatory.
Beyond that core, states choose from a menu of optional benefits. Some of the most significant optional services include prescription drugs (covered by every state in practice, though technically optional), dental care, vision services, physical therapy, occupational therapy, speech therapy, and private duty nursing. This is why Medicaid coverage can look dramatically different depending on where you live. One state might offer comprehensive dental benefits for adults while a neighboring state covers only emergency dental extractions.
For children, this distinction matters less because the Early and Periodic Screening, Diagnostic, and Treatment benefit effectively requires states to cover any medically necessary service for kids under 21, even services that would be optional for adults. Adults, however, are more directly affected by their state’s choices about optional benefits.
How Income Eligibility Is Calculated
Most people applying for Medicaid today have their income calculated using Modified Adjusted Gross Income, or MAGI. This method looks at your taxable income and tax filing relationships. It doesn’t count assets like savings accounts or property, and it doesn’t allow states to apply their own deductions or disregards. MAGI applies to children, pregnant women, parents, and adults in expansion states.
Seniors and people with disabilities use an older eligibility method that does count assets. Under this system, your bank accounts, investments, and property (beyond your primary home and one vehicle) factor into whether you qualify. The specific limits vary by state, but the baseline SSI standard is $2,000 in countable assets for an individual. This two-track system means a 30-year-old and a 67-year-old with identical finances could have very different Medicaid eligibility outcomes.